import {createApp} from 'vue'
import App from './App.vue'
import router from './router'
import store from './store'
// 引入element-plus组件库
import ElementPlus, {ElMessage} from 'element-plus'
import 'element-plus/dist/index.css'
// 引入element-plus图标库
import * as ElementPlusIconsVue from '@element-plus/icons-vue'
// 修改elementPlus默认中文
import zhCn from 'element-plus/dist/locale/zh-cn.mjs'
import axios from "axios";
import '../public/base.css'
// 配置根路径
const BASE_URL = 'http://localhost:8080';
// window对象是测览器内置的全局对象,给它设置的属性就是全局属性,可以在任意script标签中使用!
window.BASE_URL = BASE_URL;
const app = createApp(App)
// 给app(vue实例)也设置根路径,这样可以在任意template标签中使用!
app.config.globalProperties.BASE_URL = BASE_URL;
// 遍历ElementPlusIconsVue对象中的所有图标组件并注册到app中
for (const [key, component] of Object.entries(ElementPlusIconsVue)) {
    app.component(key, component)
}
// app.use(ElementPlus) 使用Element-plus组件库
//  app.use(ElementPlus,{ locale: zhCn })将El本地化为中文
app.use(ElementPlus, {locale: zhCn}).use(store).use(router).mount('#app')

// 解决ResizeObserver Error
const debounce = (fn, delay) => {
    let timer = null;
    return function () {
        let context = this;
        let args = arguments;
        clearTimeout(timer);
        timer = setTimeout(function () {
            fn.apply(context, args);
        }, delay);
    }
}
const _ResizeObserver = window.ResizeObserver;
window.ResizeObserver = class ResizeObserver extends _ResizeObserver {
    constructor(callback) {
        callback = debounce(callback, 16);
        super(callback);
    }
}

// 配置全局方法，获取当前登录人的数据
window.getEmployee = () => {
    return localStorage.employee ? JSON.parse(localStorage.employee) : null;
    // parse 将接收到的字符串转序列化
}
// 路由守卫
// to即将要访问的目标 from即将离开的目标 next路由守卫执行的函数
router.beforeEach((to, from, next) => {
    let employee = localStorage.employee;//从localStorage中获取用户数
    if (to.path !== '/login' && !employee)//如果目标路径不是登录页且用户不存在
        // 就跳转到登录页，且弹出提示
        next({path: '/login'}, ElMessage({
                message: '请先登录',
                type: 'error',
                showClose: true,
                center: true,
            })
        )
    else
        next()//如果目标路径是登录页,或用户已登录,就直接放行,允许路由跳转
})

window.errorInfo = (info) => {
    ElMessage({
        message: info,
        type: 'error',
        showClose: true,
        center: true,
    })
}
window.OKInfo = (info) => {
    ElMessage({
        message: info,
        type: 'success',
        showClose: true,
        center: true,
    })
}
window.Info = (info) => {
    ElMessage({
        message: info,
        type: 'info',
        showClose: true,
        center: true,
    })
}

// 创建根据字典code查询此字典下所有字典项的全局方法
window.loadDictOptions = (object, dictCode) => {
    axios.get(BASE_URL+'/v1/dictOption/select/'+dictCode)
        .then((response) => {
            if (response.data.code === 2000) {
                object.value = response.data.data;
            } else {
                ElMessage({
                    message: response.data.message,
                    type: 'error',
                    showClose: true,
                    center: true,
                })
            }
        })
}